Neiman Marcus Group Inc.’s fiscal second-quarter earnings climbed 91% as the department-store operator continued to record higher sales as its luxury shoppers opened their wallets. Neiman has reported stronger revenue as its wealthy customers have returned since the recession. The company also is seeing the return of the so-called aspirational customer. WSJ

Over the last decade, Amazon has been quietly expanding its website to sell not only its own merchandise and the merchandise of third-party merchant partners, but to sell links and advertising to other third-party merchants that Amazon may have no other affiliation with.Business Insider

Square unveiled its new iPad app, which aims to replicate the actual experience of having a store register on hand.TechCrunch